Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7766532 | Light guide for surface light source device and surface light source device | Makoto Ookawa, Yasushi Watanabe, Yoshiaki Murayama, Hiroki Matsumoto, Atsushi Saiki | 2010-08-03 |